The type of terminal you have determines the ways in which you can make selections in SAS/LAB software.
To make a selection, you can
use tab keys or arrow keys to place the cursor on an item, and press <Enter>
click on the item with a mouse
The menu bar on each window may or may not be in the tabbing sequence on your terminal. On some terminals, you can use the HOME key or Ctrl-F to toggle between the menu bar and the rest of the window. Or you can use a mouse to reach the menu bar.
To close a pull-down menu, move the cursor off of the menu. You may need to press <Enter> or click outside the menu to close it.